Meet The Team

The team at our clinic is dedicated to providing you with quality care. We believe in building long-term relationships with our patients, and we take pride in providing personalized treatment plans that meet your needs.

Jamie
Owner and Chief Executive Officer (CEO)

Jamie O'Connell

As our owner and CEO, Jamie opened Health Xpress Medical Center after he retired from being a paramedic. He is also an Army veteran who served with the 82nd Airborne Division as an Infantry Paratrooper. During his time in the service, Jamie received a Purple Heart. He understands the importance of quality care and safety. In his free time, Jamie enjoys working on his hot rod as well as spending time with his wife, and his three dogs Xena, Ares, and Zara.
Owner and Family Nurse Practitioner

Cristy O'Connell

As the owner and Family Nurse Practitioner, Cristy is committed to patient care and advocacy. Cristy has been a nurse practitioner for several years and has a well rounded background to include emergency medicine, urgent care, primary care, family practice and pediatrics. She is board certified with the American Academy of Nurse Practitioners, as well as member of the organization. Prior to opening Health Xpress, she was the CEO of another primary and urgent care. She also has a passion for teaching and education, which is why she taught clinical rotations for both RN and FNP students in the past. In her free time, she enjoys riding her pink moped and going on her stand up scooter through nearby neighborhood parks; as well as spending time with her husband and three dogs- Xena, a white Pitbull and two Rottweilers Ares and Zara. Cristy also thinks it is important to stay healthy and active, so exercising is a part of her everyday life.
Cristina-Kulback
Lead Family Nurse Practitioner and Chief Operations Officer

Cristina Kulback

Henderson Clinic

Cristina is a board-certified Family Nurse Practitioner with specialization in Family Medicine and Urgent Care, holding certification from the American Nurses Credentialing Center (ANCC). With a career spanning over a decade in the healthcare field, Cristina has accumulated extensive experience across various specialties. For the past four years, she has been dedicated to providing comprehensive care in both Primary Care and Urgent Care settings.
Prior to her focus on Family Medicine and Urgent Care, Cristina spent the majority of her career in Emergency Medicine and Trauma. This background has equipped her with invaluable skills in managing critical situations and providing timely interventions. Furthermore, Cristina possesses expertise in a wide range of specialties including: Intensive Care (ICU), Respiratory Trauma, Orthopedics, Surgery, Medical Surgical, Outpatient Rehabilitation, and Home Health.
Beyond her clinical practice, Cristina is deeply committed to education, having served as a clinical instructor for Nursing Students and Nurse Practitioner Students for over five years. Her dedication to nurturing future healthcare professionals underscores her passion for sharing knowledge and fostering growth within the healthcare community.
Cristina's approach to patient care is characterized by a holistic perspective, emphasizing the importance of treating patients as a whole to optimize their overall health and wellness. She is dedicated to providing individualized care tailored to each patient's unique needs.
Outside of her professional responsibilities, Cristina enjoys spending quality time with her family, exploring new travel destinations, and indulging in culinary experiences at different restaurants.
Family Nurse Practitioner

Jennifer Walker

Las Vegas Clinic

Jennifer grew up in Salt Lake City, Utah and moved to Las Vegas in 2005. She has over 25 years of experience in the nursing profession, including emergency medicine and primary care. She received her Nurse Practitioner degree from the University of Nevada, Las Vegas and is committed to helping her community to maintain their health.
She enjoys traveling and volunteering with Operation Smile which has taken her all over the world on eight surgical teams. Jennifer loves spending time with friends and family and going to the beach.
Family Nurse Practitioner

Cara Fratianni

Henderson Clinic

Cara is a dual board-certified Family Nurse Practitioner in Family and Emergency Medicine. She holds her certification from the American Nurses Credential Center (ANCC). She has spent over a decade in the healthcare field. The majority of her career has been spent in urgent care, ER and inpatient trauma services (Neuro/Ortho/Surgical/Trauma).
Cara is dedicated to her clinical practice and education, earning her Doctor of Nursing Practice at University of San Diego in 2020. She enjoys going to national conferences to stay up to date with the most current practice guidelines.
One of Cara’s biggest passions in life is leading medical missions. She has traveled to over 10 countries bringing critical supplies, conducting health assessments on people of all ages, and writing prescriptions for them if they are ill. A fun fact is that she even lived in Gonaïves, Haiti for a year.
Outside of her professional life, she enjoys yoga, cycling and hiking. Cara also enjoys traveling, art, and cooking.
Psychiatric Mental Health Nurse Practitioner

Wyatt Clark

Henderson Clinic

Wyatt is a board certified psychiatric mental health practitioner with a strong foundation in high-acuity medicine and frontline emergency response. Before moving into advanced psychiatric practice, he spent years working as a paramedic, firefighter, and FEMA medical specialist—roles that demanded rapid assessment, critical thinking, and the ability to remain steady under extreme pressure. That experience shaped his clinical style: calm, decisive, and highly attuned to risk, safety, and early signs of medical or psychiatric instability.

Wyatt specializes in the assessment and treatment of serious mental illness and adult behavioral health conditions, including mood disorders, anxiety, trauma-related disorders, ADHD, and addiction-focused care. His approach is straightforward and practical, focused on restoring function, stabilizing complex cases, and helping patients build long-term resilience.

Colleagues and patients know him for his grounded demeanor, direct communication, and ability to connect quickly while maintaining strong professional boundaries. He brings a critical-care mindset into outpatient psychiatry, pairing evidence-based treatment with the composure and judgment gained from years on the front lines.

Wyatt is committed to expanding access to mental health care and contributing to modern, integrated models of outpatient psychiatry throughout Nevada and the surrounding region. He approaches every clinical environment with a disciplined, growth-oriented mindset and a focus on delivering high-quality, dependable care.

Family Nurse Practitioner

Christina Cuplin

Henderson Clinic

Christina joins Health Xpress Medical Center with over 20 years of nursing experience, having worked across various specialties including ICU, Step-down ICU, and Women’s Health. With a strong background in patient care, Christina has also operated a family medicine procedure clinic where a wide array of procedures were performed, providing her with a wealth of hands-on knowledge in diverse medical practices.
Outside of her professional life, Christina enjoys spending time outdoors, embracing nature in her free time.
Family Nurse Practitioner

Angela Elam

Las Vegas Clinic

Angela joins Health Xpress Medical Center with over 20 years of diverse nursing experience. Throughout her career, she has worked across multiple specialties, including Operating Room (OR), outpatient care, and case management. In addition to her clinical expertise, Angela is certified in Botox, dermal fillers, microneedling, and IV therapy, bringing a well-rounded skill set to both medical and aesthetic care.
Outside of work, Angela enjoys baking, crafting custom wood furniture, and spending quality time with her family.
Office Manager

Aurora Rainwater

Henderson Clinic

Aurora is one of our lead back assistants and is able to help with any billing, scheduling or medical questions you may have. Aurora has been CPR and First Aid Certified since she was 12 years old. She worked as a Lifeguard for 5 years and went to South East Career and Technical Academy for Sports Medicine. She is currently attending the College of Southern Nevada in hopes for receiving her degree to become an ER Nurse. Aurora has a real passion for the medical field and strives to be the best in everything she does. When Aurora isn't working she loves to read her books and spend time with her cats.
Logistics Coordinator

Gabriel Robinson

Henderson Clinic

Gabriel joins Health Xpress Medical Center as our lab technician, as well as working at the front desk. Being in both the front and back office, he is able to help with any of your questions about billing, testing, appointments, and so on. He has experience with patients and has a passion for helping others. He likes to use alternative medicine options for his everyday health. Gabriel currently attends UNLV for their nursing program. He is hoping that after he graduates he can study acupuncture. In his free time, he enjoys spending time with family, friends, and his two kittens.
Registered Nurse

Savannah Green

Henderson Clinic

Savannah joins the Health Xpress Medical Center Team as our lead Medical Receptionist. She was born and raised in Las Vegas and is currently attending school to become a registered nurse. After graduating from school, she would like to specialize in pediatric oncology. When Savannah is not working or going to school, she likes to travel and spend time with her family.
Lead Clinic Assistant

Ryan Fain

Las Vegas Clinic

Ryan is a dedicated aspiring nurse with a strong commitment to health and wellness. At Health Xpress Medical Center, he combines enthusiasm with a drive to learn, making him a valued team member. A former competitive weightlifter, Ryan continues to prioritize fitness and enjoys snowboarding and exploring local food scenes, reflecting his active and adventurous spirit.
Lead Clinic Assistant

Jennifer Rojas

Henderson Clinic

Jennifer joins Health Xpress with several years experience from working medical to hospitality. She worked formally as a medical assistant, a security guard and also worked in housekeeping. She has a passion for taking care of people and the community.
She has lived in Las Vegas for over two decades. She enjoys to travel and spend time with my family and friends in her free time.
Clinic Assistant

Ciana Walters

Las Vegas Clinic

Ciana joins Health Xpress as a clinic assistant. She holds a Bachelor's degree in Psychology from the University of Nevada, Las Vegas (UNLV). She has prior experience working as a behavioral therapist in the medical field. She is passionate about making a positive impact in the community and supporting the well-being of others. Outside of work, she enjoys hiking, spending quality time with family and friends and has a background in competitive dance.
Lead Medical Receptionist

Genevieve Galicia

Las Vegas Clinic

Genevieve joins Health Xpress new to the medical field. She is someone with a deep passion for science. She enjoys the hobby of taxidermy and bug collecting. Her curiosity about the natural world drives her, and it’s led her to pursue a future in ecology.
She is currently working toward attending college to study the subject more formally and is excited to see where this path will take her.

Outside of science, Genevieve has a strong creative side. She enjoys sewing and expressing herself through various forms of art, including painting and beading. Creating is one of her favorite ways to unwind and explore new ideas. Genevieve is also highly organized and finds joy in keeping things tidy and structured, which helps her stay focused and productive in both her creative and academic pursuits.

Medical Receptionist

Jorlie Sacayanan

Henderson Clinic

Jorlie joins Health Xpress as a front desk receptionist. She has prior medical experience working as a nursing assistant taking care of the elderly, disabled children, and quadriplegic patients. She has true passion and dedication for healthcare. In her free time, she enjoys spending time with her daughter and family, hiking, playing board and card games, cooking, watching movies and getting creative with party decorations, especially balloon garlands.
Medical Receptionist

Mykelle Hamilton

Las Vegas Clinic

Mykelle joins Health Xpress as a front desk receptionist. She has prior experience managing front desk operations, as well as in customer service. In her free time, she enjoys playing golf, making pasta sauces from scratch, and spending time with family. She has a passion for traveling, especially to Jamaica, which is her favorite destination.
Referral Coordinator

Brittni Dials

Brittni Dials is an experienced and passionate Certified Nursing Assistant from Lansing, Michigan. She currently resides in the northern suburbs of Chicago with her family – her husband, daughter Olivia and son Owen. For over 10+ years she has served as a CNA/HHA providing care for those in need, including several years of experience with Hospice Care. In her free time, Brittni enjoys traveling and experiencing new places, reading uplifting books, watching movies, and spending time on all things Disney!